<template>
  <transition name="fade">
    <cube-popup v-show="visible"
                :mask-closable="true"
                :z-index="90"
                position="bottom"
                type="shop-cart-list"
                @mask-click="maskClick">
      <transition name="move"
                  @after-leave="onLeave">
        <div v-show="visible">
          <div class="list-header">
            <h1 class="title">购物车</h1>
            <span class="empty"
                  @click="empty">清空</span>
          </div>
          <cube-scroll class="list-content"
                       ref="listContent">
            <ul>
              <li class="food"
                  v-for="food of selectFoods"
                  :key="food.name">
                <span class="name">{{food.name}}</span>
                <div class="price">
                  <span>￥{{food.price*food.count}}</span>
                </div>
                <div class="cart-control-wrapper">
                  <cart-control :food="food"
                                @add="onAdd"></cart-control>
                </div>
              </li>
            </ul>
          </cube-scroll>
        </div>
      </transition>
    </cube-popup>
  </transition>
</template>

<script>
import CartControl from 'components/cartcontrol/Cartcontrol'
import popupMixin from 'common/mixins/popup'

const EVENT_LEAVE = 'leave'
const EVENT_ADD = 'add'
const EVENT_SHOW = 'show'

export default {
  mixins: [popupMixin],
  name: 'ShopCartList',
  props: {
    selectFoods: {
      type: Array,
      default: () => []
    }
  },
  created () {
    this.$on(EVENT_SHOW, () => {
      this.$nextTick(() => {
        this.$refs.listContent.refresh()
      })
    })
  },
  methods: {
    maskClick () {
      this.hide()
    },
    onLeave () {
      this.$emit(EVENT_LEAVE)
    },
    onAdd (target) {
      this.$emit(EVENT_ADD, target)
    },
    empty () {
      this.dialogComp = this.$createDialog({
        type: 'confirm',
        content: '清空购物车吗?',
        $events: {
          confirm: () => {
            this.selectFoods.forEach(food => {
              food.count = 0
            })
            this.hide()
          }
        }
      }).show()
    }
  },
  components: {
    CartControl
  }
}
</script>

<style lang="stylus" scoped>
@import '~common/stylus/variable'
.cube-shop-cart-list
  bottom 48px
  &.fade-enter, &.fade-leave-active
    opacity 0
  &.fade-enter-active, &.fade-leave-active
    transition all 0.3s ease-in-out
  .move-enter, .move-leave-active
    transform translate3d(0, 100%, 0)
  .move-enter-active, .move-leave-active
    transition all 0.3s ease-in-out
  .list-header
    height 40px
    line-height 40px
    padding 0 18px
    background $color-background-ssss
    .title
      float left
      font-size $fontsize-medium
      color $color-dark-grey
    .empty
      float right
      font-size $fontsize-small
      color $color-blue
  .list-content
    padding 0 18px
    max-height 217px
    overflow hidden
    background $color-white
    .food
      position relative
      padding 12px 0
      box-sizing border-box
      .name
        line-height 24px
        font-size $fontsize-medium
        color $color-dark-grey
      .price
        position absolute
        right 90px
        bottom 12px
        line-height 24px
        font-weight 700
        font-size $fontsize-medium
        color $color-red
      .cart-control-wrapper
        position absolute
        right 0
        bottom 6px
</style>
